Tsinghua University - Tsinghua-Berkeley Shenzhen Institute, Tsinghua University - Tsinghua Shenzhen International Graduate School, Southern University of Science and Technology, Tsinghua University - Tsinghua Shenzhen International Graduate School, Tsinghua University - Tsinghua Shenzhen International Graduate School, Tsinghua University - Tsinghua Shenzhen International Graduate School, Tsinghua University - Tsinghua Shenzhen International Graduate School, Tsinghua University - Tsinghua Shenzhen International Graduate School, Hangzhou Dianzi University, Tsinghua University - Tsinghua Shenzhen International Graduate School, affiliation not provided to SSRN, Hangzhou Dianzi University, Tsinghua University - Tsinghua Shenzhen International Graduate School, Tsinghua University - Tsinghua Shenzhen International Graduate School, South University of Science and Technology of China and Shandong University at Weihai